Removing beavers entirely from Canada's national symbols would be labour-intensive: a stone beaver sits on top of the entrance to Parliament and appears on Canadian nickels.

BBC: Canadian senator wants polar bear as new emblem

With rare exceptions in Japan and France, one must graduate from the top university to gain entrance to this elevated group.

FORBES: Why We Need Startups

Barry Sindall, chief executive of the Grammar School Heads Association, quoted from a 2008 Sutton Trust study which suggested that the social make-up of grammar schools was often more diverse than that of the top 100 comprehensives where entrance is decided on proximity to the school, pushing up house prices and excluding poorer families.

BBC: Education & Family